I'm drawn to v1 because of the contrast. I'm not sure about the compo. Something seems a bit off to me. Ah! Yes, it's got too many colors. They seem a bit random too. My advice to fix this (since you'd have to redo the entire thing probably) is to go B&W on this one. But do that at the end. Keep workin' it out.
I actually think this sig looks amazing. The randomness of the bg (color wise) really makes it stand out. And I like the render too. But maybe if you added some stuff to the bg like cables and stuff, to make it look more robotic, it would flow awsome. 9.5/10 for me. Keep it up bro. Oh yeah, I like v1 better by the way
Nicer, but. *snickers* It's a little, tiny itsy bit overcontrasted now. lol Just tone it down a smidgeon.